<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script>
    var a = 10;
    var b = 10 + "";

    var c = true;
    var d = true + "";

    console.info(typeof a);
    console.info(typeof b,typeof d);

    var a = b = c = 10;
    console.info(1 == "1");
    console.info(1 === "1");
    var score = 58;
    console.info(score != 58);
    var tt = 1;
    console.info(1==1 && tt++ > 0);

    console.info(1==2 || tt++> 0);
    console.info(!false,tt);


    var a = 1;
    var b = 2;
    var c = a>b?a++:b++;
    console.info(b);
</script>
<body>

</body>
</html>